| Yuyu | |
| Also Known As: | Yirau, Upper Riverland |
| Region: | South Australia |
| Ethnicity: | Ngawait, Erawirung, Ngintait, Ngarkat |
| Extinct: | ? |
| Familycolor: | Australian |
| Fam1: | Pama–Nyungan |
| Fam2: | Lower Murray |
| Iso3: | yxu |
| Aiatsis: | S19 |
| Aiatsisname: | Yuyu |
| Aiatsis2: | S18 |
| Aiatsisname2: | Ngintait |
| Dia1: | Ngintait (Inteck) |
| Dia2: | Ngarkat (Ngarrket) |
| Dia3: | Yirawirung (Erawirung) |
| Dia4: | Ngawait |
| Glotto: | uppe1415 |
| Glottorefname: | Upper Riverland |
Yuyu (Yirau) is an extinct language or dialect cluster of southern South Australia. Walsh treats Yuyu as a language with Ngawait, Erawirung, Ngintait, and Ngarkat as dialects; Berndt and Berndt (1993) list those as dialects related to Yuyu.[1]